these 3 derivations will be built:
  /nix/store/23d7k18i1xc1ac0683r9749xx3dh1fsd-iets-fuzz-diff-0.0.0.drv
  /nix/store/87mmz0ghiycdgnqqw5fmgvg6rignc12b-iets-fuzzers-0.0.0.drv
  /nix/store/vwf72lakiba47mnzc4mqa3wasis4ad9p-iets-fuzz-drv-check.drv